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Home >> Saturn >> 2003 >> L300 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0638: Throttle Actuator Control Command Performance >> Diagnostic Procedure
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Diagnostic Procedure

Fig 1: DTC P0638: Throttle Actuator Control Command Performance (Steps 1-6)
G00255614Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC P0638: Throttle Actuator Control Command Performance (Steps 7-14)
G00255615Courtesy of GENERAL MOTORS CORP.
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